GB1254917A
(en )
1971-11-24
Electromagnetic relay
GB459235A
(enrdf_load_html_response )
1937-01-04
GB1409200A
(en )
1975-10-08
Make-and-break electric contact arrangements
GB475130A
(en )
1937-11-15
Improvements in or relating to protective arrangements for transformers
GB774832A
(en )
1957-05-15
Electro-magnetic relays
GB200132A
(en )
1923-07-02
Improvements in electrical interrupters or make-and-break switches with vibratory contacts
GB832690A
(en )
1960-04-13
Relay with self-cleaning contact elements
GB832775A
(en )
1960-04-13
An electromagnetic switching device
GB548472A
(en )
1942-10-12
Improvements relating to electric circuit breakers having magnetic blow-outs
GB1015941A
(en )
1966-01-05
Electro-magnetic relays
GB945100A
(en )
1963-12-23
Improvements in polarised relays
GB851933A
(en )
1960-10-19
Improvements in or relating to electrical contact assemblies
GB504523A
(en )
1939-04-26
Improvements in or relating to apparatus for converting direct current to periodic varying current
GB809703A
(en )
1959-03-04
Improvements in and relating to electrical contactors
GB492487A
(en )
1938-09-21
Call system for telephonic line with multiple stations
GB855779A
(en )
1960-12-07
Improvements in or relating to electromagnetic relay arrangements
GB798445A
(en )
1958-07-23
Improvements in or relating to electromagnetically operated switches
GB760466A
(en )
1956-10-31
Improvements in electric fence units
GB200927A
(en )
1923-07-23
Improvements relating to telegraph instruments
GB267199A
(en )
1927-03-03
Improvements relating to electric contact springs and the operation thereof
GB795363A
(en )
1958-05-21
Electromagnetic relays
GB423122A
(en )
1935-01-25
Improvements relating to electric circuit interrupters with arc extinguishers
GB266816A
(en )
1927-03-04
Improvements in or relating to electric relays
GB600302A
(en )
1948-04-06
Electro-magnetic telephone relay
GB1133628A
(en )
1968-11-13
Contact spring assembly, more especially for relays